Home / 106,226.28-159,437.88-53,672.76

Finding the Fourth Proportional to 106,226.28, 159,437.88 and 53,672.76

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Solution

The fourth proportional to 106,226.28, 159,437.88 and 53,672.76 is: 80,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,226.28 : 159,437.88 = 53,672.76 : x
  2. Step 2: Convert to fraction form
    106,226.28/159,437.88 = 53,672.76/x
  3. Step 3: Cross multiply
    106,226.28x = 159,437.88 × 53,672.76
  4. Step 4: Simplify right side
    106,226.28x = 8,557,471,068.15
  5. Step 5: Solve for x
    x = 8,557,471,068.15/106,226.28
  6. Step 6: Final answer
    x = 80,558.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.